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Mice21 [21]
3 years ago
10

HELPP my work is due soon plus i don’t understand :(

Mathematics
1 answer:
Mashcka [7]3 years ago
8 0

Answer:

4. B

5.

Step-by-step explanation:

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Help with my math please!!!
madam [21]

Answer:

x-12≤7

x≤19

Step-by-step explanation:

less than means it comes after

x-12

is at most means less than or equal to

x-12≤7

Add 12 to each side

x-12+12≤7+12

x≤19

7 0
3 years ago
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What is the circumference of a circle with a diameter of 45 centimeters
Free_Kalibri [48]
Keeping in mind the formula for circumference is Pi x Diameter, you simply multiply 45 by pi.
This gives you 141.3716694
4 0
4 years ago
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Which of the following is a reduction in the price of the vehicle, generally offered by the manufacturer?
netineya [11]

Answer:

Need more information

Step-by-step explanation:

6 0
4 years ago
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It is presentation day in class and your instructor is drawing names from a hat to determine the order of the presentations. If
gogolik [260]

Answer:

\frac{1}{240} = 0.0042 = 0.42% probability that the first 2 presentations will be by Drake and Todd, in that order.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

In this question, since the order in which the students are chosen is important, the permutations formula is used to solve it.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

P_{(n,x)} = \frac{n!}{(n-x)!}

Desired outcomes:

Drake then Todd, so only one outcome, which means that D = 1

Total outcomes:

Two students from a set of 16, so:

T = P_{16,2} = \frac{16!}{14!} = 16*15 = 240

What is the probability that the first 2 presentations will be by Drake and Todd, in that order?

p = \frac{D}{T} = \frac{1}{240} = 0.0042

\frac{1}{240} = 0.0042 = 0.42% probability that the first 2 presentations will be by Drake and Todd, in that order.

3 0
3 years ago
Factor completely x2 − 10x + 25. (2 points)
Arada [10]

Answer:

(x - 5)(x - 5)

Step-by-step explanation:

Given the expression

x^2 - 10x + 25

Look for the factors of x^2 and 25.

The factors are x and 5.

Therefore,

(x -5) (x-5)

When you distribute , you have

X x X - X x 5 - 5 x X - 5 x -5

x^2 -5x - 5x +25

x^2 - 10x + 25

4 0
4 years ago
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